GTA Iceberg
This is a combination of 7 different charts I found.
https://www.reddit.com/r/GTA6/comments/1v1oo9w/made_a_gta_6_iceberg_before_gta_6/#lightbox
and the other 6 were from iceberg charts :p
Myth
Mystery
Lore
Cut Content
Beta
Glitch
Meta
Online
Easter Egg
Meme
Speedrun

Tier 1
BigfootVSA
Epsilon Program VSA
Hot CoffeeSA
Trevor is bisexual V
Michael was never in witness protectionV
Steven Ogg / Ned Luke / Shawn FontenoV
MrBossFTWV
$1 billion in three days V
Cut childrenVSA
2022 leaksVI
Logo updateVI
Tier 2
Mount Gordo Ghost V
Jetpack SA
RatmanSA
PeyoteV
Meltdown V
DarkViperAU vs Friendly BaronV
Children of the MountainV
CJ / Sweet / Big Smoke in GTA VV
Niko Bellic in GTA VV
TLAD / TBOGT connectionsIV
3D / HD universe split S
GTA V beta / cut content V
Alien war / green vs purple V
Big Ear / satellite dishes SA
"Why did I move here" / therapyV
Torture scene dramaV
FiveM / RP dramaS
GTA Online money glitches / shark cards O
Niko Bellic is a simp IV
Roman tap code IV
Cut songsS
Cut missions S
Project AmericasVI
Website leaksVI
TikTok leakVI
Union bustingVI
Bonnie and ClydeVI
Locked content on releaseVI
Florida JokerVI
Gouranga bonusI
Jesus Saves / Kill FrenzyII
Tier 3
Tier 4
GoatmanSA
Spy helicoptersV
Possessed dock tugV
Kifflom V
Treeman SA
Mermaids V
PazuzuSA
ZombiesSA
BearSA
ChuckySA
PadfootSA
Killer Bees SA
VI road VI
Gameroll VI
Barbie and Godzilla VI
"???" shirt VI
World events VI
Tier 5
Cut Michael/Trevor shipsV
GTA IV trailer crashedIV
GTA IV barbersIV
GTA 64 S
Ryder had the wrong box SA
Martyn Ware VI
Vice the musicalVI
Patents for GTA 6 VI
Alternate vertical videosVI
Guarma was a test muleVIS
DowngradeVI
Tier 6
Dark net O
Tax evasionO
Closed money loop O
Prostitute refundO
Casino bribes policeO
Valet replacement O
30 in-game days to re-spin the wheelO
Lock-on reveals true threat VO
Garage money glitch was intentional O
DDOSO
Rockstar sells mod menusO
KKK server meets O
Don't reportO
THEY KNOW WHERE YOU LIVEO
Online Lester is a clone O
Avon wonO
Singleplayer isn't canon VO
Extinct wildlifeV
Calls of deathO
Mind gamesO
Bugfixes to avoid getting firedO
Usher HallV
27VI
GTA 6 is a mythVI
Tier 7